Proceedings of the KIPE Conference (전력전자학회:학술대회논문집)
- 2004.11a
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- Pages.59-63
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- 2004
An Improved ZVS Active Forward Conveter
개선된 영전압 스위칭 액티브 포워드 컨버터
- Choi Sun-Ho (Jeonju Uni.) ;
- Park Jin-Young (Jeonju Uni.) ;
- Kim Eun-Soo (Jeonju Uni.) ;
- Kang Chan-Ho (Dongahelecomm Corp.)
- Published : 2004.11.01
Abstract
In this paper, active forward converter with snubber circuit - composed of a tapped inductor, a snubber capacitor, two diodes - is proposed. By adding the snubber circuit, ZVS operation became possible even in a smaller magnetizing current conditions than the conventional converter. The operational principles and the equivalent mode analysis of the proposed converter is described and compared to conventional converter. We constructed the prototype active clamped forward converter with 300W output capacity and verified that efficiency of the proposed converter is higher than the conventional converter.
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